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Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Use read_cpuid_part_number, which was the same thing before upstream
commit af040ffc9ba1 ("ARM: make it easier to check the CPU part number
correctly").
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Also we make selftest errors of type err, so that they're obvious in
dmesg.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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These are actually 32-bit limbs, so we have to swap them back after the
64-bit arithmetic. Also, change type of boolean for 64-bit.
Suggested-by: Andy Polyakov <appro@openssl.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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The qhasm was only written for little-endian systems, and we don't want
disaster to ensue.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Andy Polyakov <appro@openssl.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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handling
Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This brings us more in line with the integration tree's style.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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The m68k compiler generates a 1032 byte stack frame. Moving these
variables inside the loop fixes that. It also means we're not explicitly
memzeroing it any more either, but hopefully that memory is reused
anyway by the multiplications.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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It turns out this is faster than NEON on some chips, so it's nice to
have.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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It might be defined even if the compiler doesn't support it.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This brings it under 1280 on 64-bit and under 1024 on 32-bit systems.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This ensures we're properly updating state[12] and that we're handling
all unaligned acceses (in the jump tables for MIPS).
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Since we now set up the block in the generic code, we can rely on that
to use fewer variables and reduce stack pressure within the MIPS code.
This in turn means we have more registers and more uniformity, so we're
able to rewrite quite a bit.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This requires some minimal rearranging to make work, but for the most
part as does the right thing, provided we pass it an optimization flag.
Suggested-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Reported-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This requires some minimal rearranging to make work, but for the most
part as does the right thing, provided we pass it an optimization flag.
Suggested-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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The kernel has very specific rules correlating file type with comment
type, and also SPDX identifiers can't be merged with other comments.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This this relies on instructions taking a "normal" amount of time, we
really can't run this with KASAN, especially inside QEMU, so just
disable it for KASAN, since it's hard to make it complete on slow
systems.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This unfortunately means we have to define symbols, since we want them
in __initconst, but it's better than the other two options (no initconst
or wasting space for fixed size buffers).
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This is a very rare occurance, but we should account for it, so that the
calculations aren't wrong. Here we convert from base 2^26 back to base
2^64.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This is never going to hit anyway, and if it does, it's a development
problem that will be caught with the selftests anyway. So don't make
Andrew Lunn upset, and just change it to a WARN_ON.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This reverts 37f114a73ba37219b00a66f0a51219a696599745, since gcc 8.2 no
longer exhibits that bug.
Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This was already tested from the chacha20poly1305 test, but it's useful
to be able to test this in isolation too.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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